/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * Project  : WebQQCore
 * Package  : iqq.im.core
 * File     : QQStore.java
 * Author   : solosky < solosky772@qq.com >
 * Created  : 2013-2-24
 * License  : Apache License 2.0 
 */
package iqq.im.core;

import iqq.im.QQException;
import iqq.im.bean.QQBuddy;
import iqq.im.bean.QQCategory;
import iqq.im.bean.QQDiscuz;
import iqq.im.bean.QQGroup;
import iqq.im.bean.QQStatus;
import iqq.im.bean.QQStranger;
import iqq.im.bean.QQUser;
import iqq.im.bean.content.ContentItem;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 存储QQ相关的数据 如好友列表，分组列表，群列表，在线好友等
 * 
 * @author solosky <solosky772@qq.com>
 */
public class QQStore implements QQLifeCycle {
    private Map<Long, QQBuddy> buddyMap; // uin => QQBudy, 快速通过uin查找QQ好友
    private Map<Long, QQStranger> strangerMap; // uin => QQStranger, 快速通过uin查找临时会话用户
    private Map<Long, QQCategory> categoryMap; // index => QQCategory
    private Map<Long, QQDiscuz> discuzMap; // did = > QQDiscuz
    private Map<Long, QQGroup> groupMap; // code => QQGroup, 快速通过群ID查找群
    private List<ContentItem> pictureItemList; // filename -> PicItem 上传图片列表

    public QQStore() {
        this.buddyMap = new HashMap<Long, QQBuddy>();
        this.strangerMap = new HashMap<Long, QQStranger>();
        this.categoryMap = new HashMap<Long, QQCategory>();
        this.groupMap = new HashMap<Long, QQGroup>();
        this.discuzMap = new HashMap<Long, QQDiscuz>();
        this.pictureItemList = new ArrayList<ContentItem>();
    }

    public void init(QQContext context) throws QQException {}

    public void destroy() throws QQException {}

    // add
    public void addBuddy(QQBuddy buddy) {
        buddyMap.put(buddy.getUin(), buddy);
    }

    public void addStranger(QQStranger stranger) {
        strangerMap.put(stranger.getUin(), stranger);
    }

    public void addCategory(QQCategory category) {
        categoryMap.put(new Long(category.getIndex()), category);
    }

    public void addGroup(QQGroup group) {
        groupMap.put(group.getCode(), group);
    }

    public void addPicItem(ContentItem pictureItem) {
        pictureItemList.add(pictureItem);
    }

    public void addDiscuz(QQDiscuz discuz) {
        discuzMap.put(discuz.getDid(), discuz);
    }

    // delete
    public void deleteBuddy(QQBuddy buddy) {
        buddyMap.remove(buddy);
    }

    public void deleteStranger(QQStranger stranger) {
        strangerMap.remove(stranger);
    }

    public void deleteCategory(QQCategory category) {
        categoryMap.remove(category);
    }

    public void deleteGroup(QQGroup group) {
        groupMap.remove(group.getGin());
    }

    public void deletePicItem(ContentItem picItem) {
        pictureItemList.remove(picItem);
    }

    public void deleteDiscuz(QQDiscuz discuz) {
        discuzMap.remove(discuz.getDid());
    }

    // get
    public QQBuddy getBuddyByUin(long uin) {
        return buddyMap.get(uin);
    }

    public QQStranger getStrangerByUin(long uin) {
        return strangerMap.get(uin);
    }

    public QQCategory getCategoryByIndex(long index) {
        return categoryMap.get(index);
    }

    public QQGroup getGroupByCode(long code) {
        return groupMap.get(code);
    }

    public QQGroup getGroupById(long id) {
        for (QQGroup g : getGroupList()) {
            if (g.getGid() == id) {
                return g;
            }
        }
        return null;
    }

    public QQGroup getGroupByGin(long gin) {
        for (QQGroup g : getGroupList()) {
            if (g.getGin() == gin) {
                return g;
            }
        }
        return null;
    }

    public QQDiscuz getDiscuzByDid(long did) {
        return discuzMap.get(did);
    }

    // get list
    public List<QQBuddy> getBuddyList() {
        return new ArrayList<QQBuddy>(buddyMap.values());
    }

    public List<QQStranger> getStrangerList() {
        return new ArrayList<QQStranger>(strangerMap.values());
    }

    public List<QQCategory> getCategoryList() {
        return new ArrayList<QQCategory>(categoryMap.values());
    }

    public List<QQGroup> getGroupList() {
        return new ArrayList<QQGroup>(groupMap.values());
    }

    public List<QQDiscuz> getDiscuzList() {
        return new ArrayList<QQDiscuz>(discuzMap.values());
    }

    public List<QQBuddy> getOnlineBuddyList() {
        List<QQBuddy> onlines = new ArrayList<QQBuddy>();
        for (QQBuddy buddy : buddyMap.values()) {
            if (QQStatus.isGeneralOnline(buddy.getStatus())) {
                onlines.add(buddy);
            }
        }
        return onlines;
    }

    public List<ContentItem> getPicItemList() {
        return pictureItemList;
    }

    // get size
    public int getPicItemListSize() {
        return pictureItemList.isEmpty() ? 0 : pictureItemList.size();
    }

    // 查找临时会话用户 QQGroup/QQDiscuz/QQStranger
    public QQUser searchUserByUin(long uin) {
        QQUser user = getBuddyByUin(uin);
        if (user == null) {
            user = getStrangerByUin(uin);
        }
        if (user == null) {
            for (QQGroup group : getGroupList()) {
                for (QQUser u : group.getMembers()) {
                    if (u.getUin() == uin) {
                        return u;
                    }
                }
            }
            for (QQDiscuz discuz : getDiscuzList()) {
                for (QQUser u : discuz.getMembers()) {
                    if (u.getUin() == uin) {
                        return u;
                    }
                }
            }
        }
        return user;
    }
}
